Home / 24,076.17-36,129.70-12,990.56

Finding the Fourth Proportional to 24,076.17, 36,129.70 and 12,990.56

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Solution

The fourth proportional to 24,076.17, 36,129.70 and 12,990.56 is: 19,494.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,076.17 : 36,129.70 = 12,990.56 : x
  2. Step 2: Convert to fraction form
    24,076.17/36,129.70 = 12,990.56/x
  3. Step 3: Cross multiply
    24,076.17x = 36,129.70 × 12,990.56
  4. Step 4: Simplify right side
    24,076.17x = 469,345,001.38
  5. Step 5: Solve for x
    x = 469,345,001.38/24,076.17
  6. Step 6: Final answer
    x = 19,494.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.